Analysis
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max time kernel
146s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-06-2024 12:33
Static task
static1
Behavioral task
behavioral1
Sample
2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe
Resource
win11-20240611-en
General
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Target
2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe
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Size
4.9MB
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MD5
c1ce5763b3eb61b22a9d2b98b8c498e0
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SHA1
edd919d1a2d58f40b9458b68126170c1ee43031d
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SHA256
2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c
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SHA512
54d72493bb4f8ffb1957f8d76bdf32a611d03db178893d5249c5e52d59d4c0de7399e1ecbe0e0c990c0e8bb09a35cd64d37f70de2877ca14b3ca0e06420c2636
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SSDEEP
98304:mo1ymWHn8s7thZTgqsiQKp7R2aW3tVGzgTOH/7Otph14WvEBdWgVTZLTOBrS:dymWHn8It/QiBUaIsgO/7OxPgVNLTOB2
Malware Config
Extracted
socks5systemz
bubfndt.com
http://bubfndt.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff719c0ef919c3e
http://bubfndt.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12eab517aa5c96bd86ee9d8649845a8bbc896c58e713bc90c91836b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d923bcd6b9013
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1188-87-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/1188-111-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/1188-110-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmpaudialstunebite32.exeaudialstunebite32.exepid process 1088 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp 2716 audialstunebite32.exe 1188 audialstunebite32.exe -
Loads dropped DLL 1 IoCs
Processes:
2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmppid process 1088 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 45.155.250.90 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmppid process 1088 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmpdescription pid process target process PID 4396 wrote to memory of 1088 4396 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp PID 4396 wrote to memory of 1088 4396 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp PID 4396 wrote to memory of 1088 4396 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp PID 1088 wrote to memory of 2716 1088 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp audialstunebite32.exe PID 1088 wrote to memory of 2716 1088 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp audialstunebite32.exe PID 1088 wrote to memory of 2716 1088 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp audialstunebite32.exe PID 1088 wrote to memory of 1188 1088 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp audialstunebite32.exe PID 1088 wrote to memory of 1188 1088 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp audialstunebite32.exe PID 1088 wrote to memory of 1188 1088 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp audialstunebite32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe"C:\Users\Admin\AppData\Local\Temp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Users\Admin\AppData\Local\Temp\is-Q1CCS.tmp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp"C:\Users\Admin\AppData\Local\Temp\is-Q1CCS.tmp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp" /SL5="$40214,4847555,54272,C:\Users\Admin\AppData\Local\Temp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -i3⤵
- Executes dropped EXE
PID:2716 -
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -s3⤵
- Executes dropped EXE
PID:1188
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exeFilesize
2.4MB
MD598e5e6eb0528f7192da12e456ec12023
SHA1e974c7e6df6abc23be2dd23f1bda4a28469501f1
SHA256858c8b685d84d2ace3dc7ad0b44ffa398b9fb896395714f5f62a255b36460dd5
SHA512536011ea066ab359296d93dce5c0a382498a69894cc73d891e1c70f6b656a2cb483420f988b2e68019d49ee3096c8eacaf0ef4a2a8150d92032d38dba3b716f7
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C:\Users\Admin\AppData\Local\Temp\is-MQCS3.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-Q1CCS.tmp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmpFilesize
680KB
MD566f4568e899ebb18b20a877f017f08fd
SHA1887fb52becc444c529acf26e71147b840c7ff885
SHA2568cf70a4ca81a1d9db93d89a13adf2feb2c1da109142ac356d14fa427694178e0
SHA5122ea355abe2f31a7edb5b8cd96799a2843549ec82991fc64d9d8a13e0faec5849fce5864ef0148540f7246c646fd3c6e369d036450fe6a075afc57bb239410b66
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memory/1088-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1088-12-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1188-94-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-103-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-118-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-115-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-110-0x0000000000A00000-0x0000000000AA2000-memory.dmpFilesize
648KB
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memory/1188-68-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-111-0x0000000000A00000-0x0000000000AA2000-memory.dmpFilesize
648KB
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memory/1188-109-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-71-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-74-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-75-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-78-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-81-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-84-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-87-0x0000000000A00000-0x0000000000AA2000-memory.dmpFilesize
648KB
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memory/1188-89-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-106-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-97-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1188-100-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/2716-59-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/2716-65-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/2716-63-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/2716-61-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/4396-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/4396-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4396-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB